@media screen and (min-width: 750px) {
  html {
    font-size: 37.5px !important;
  }
}
body {
  box-sizing: border-box;
  min-width: 320px;
  max-width: 750px;
  margin: 0 auto;
  background-color: #f2f4f7;
}
body :nth-child(2),
body :nth-child(3) {
  margin-top: 0.5333rem;
}
body :nth-child(3) {
  margin-bottom: 3.0333rem;
}
body section {
  overflow: hidden;
  background-color: #fff;
  padding: 0.2667rem 0;
}
body section .header {
  height: 3.44rem;
  line-height: 3.44rem;
  text-align: center;
  border-bottom: 0.0267rem solid #EAEAEA;
  font-size: 0.9333rem;
  color: #1C1C1C;
}
body section .nav {
  display: flex;
  flex-wrap: wrap;
}
body section .nav .items {
  margin: 0;
  padding: 0;
  display: flex;
  width: 33.3333%;
  flex-direction: column;
  align-items: center;
  padding: 1.2rem 0 0.9333rem 0;
}
body section .nav .items img {
  width: 3.7067rem;
  height: 3.7067rem;
}
body section .nav .items span {
  font-size: 0.6667rem;
  color: #707070;
}
body section .news {
  margin: 0.8rem 0.2667rem 0.8rem 0.48rem;
}
body section .news img {
  width: 19.28rem;
  height: 4.1067rem;
}
body .teach {
  margin-bottom: 1rem;
  position: relative;
  height: 15.36rem;
  background-color: #fff;
  margin: 0.2667rem 0;
  padding: 0.6667rem 0.6133rem;
}
body .teach h4 {
  margin: 0;
  position: absolute;
  top: 0.6667rem;
  left: 0.6133rem;
  font-size: 0.7467rem;
}
body .teach h4 img {
  margin-right: 0.48rem;
  vertical-align: middle;
  display: inline-block;
  height: 0.9867rem;
  width: 0.9867rem;
}
body .teach a {
  position: absolute;
  top: 0.6667rem;
  right: 0.6133rem;
  font-size: 0.5867rem;
  color: #999;
}
body .teach .teach-bd .swiper-container {
  overflow: hidden;
  width: 14.4rem;
  height: 14.0267rem;
  margin: 0.7333rem 0 0 2.5333rem;
}
body .teach .teach-bd .swiper-slide {
  margin-left: 0.8rem;
  text-align: center;
  font-size: 18px;
  background: #fff;
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  transition: 300ms;
  transform: scale(0.8);
  opacity: 0.5;
  --swiper-theme-color: #ff6600;
  /* 设置Swiper风格 */
  --swiper-navigation-color: #00ff33;
  /* 单独设置按钮颜色 */
  --swiper-navigation-size: 30px;
  /* 设置按钮大小 */
}
body .teach .teach-bd .swiper-slide a {
  flex: 1;
  width: 9.0133rem;
  height: 10.0267rem;
}
body .teach .teach-bd .swiper-slide a img {
  width: 100%;
  height: 100%;
}
body .teach .teach-bd .swiper-slide a p {
  width: 9.0133rem;
  font-size: 0.64rem;
  color: #333;
}
body .teach .teach-bd .swiper-slide-active,
body .teach .teach-bd .swiper-slide-duplicate-active {
  transform: scale(1);
  z-index: 1;
  opacity: 1;
}
body .study .study-border {
  padding: 0.5333rem 0;
}
body .study .study-border .swiper-slide {
  overflow: hidden;
  padding: 0.1333rem;
  position: relative;
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 7.7333rem;
  height: 9.0667rem;
  border-radius: 0.1333rem;
  background-color: white;
  margin: 2.7467rem 0.6933rem 0;
  box-shadow: 0 0 0.2667rem rgba(0, 0, 0, 0.2);
}
body .study .study-border .swiper-slide img {
  position: absolute;
  top: 0.1333rem;
  left: 0.1333rem;
  display: block;
  width: 6.9533rem;
  height: 4.5333rem;
  object-fit: cover;
}
body .study .study-border .swiper-slide h5 {
  position: absolute;
  top: 4.9333rem;
  left: 0.2133rem;
  width: 7.2533rem;
  font-size: 0.6667rem;
  font-weight: 400;
  text-align: left;
}
body .study .study-border .swiper-slide p {
  position: absolute;
  top: 7.2rem;
  left: 0.2133rem;
  font-size: 0.6133rem;
}
body .study .study-border .swiper-slide p span {
  color: #ff4400;
}
body .footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  display: flex;
  height: 3.0133rem;
  background-color: #fff;
  border-top: 0.0267rem solid #e2e2e2;
  z-index: 1111;
}
body .footer :nth-child(2),
body .footer :nth-child(3) {
  margin-top: 0;
}
body .footer a {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
}
body .footer a img {
  margin: 0.5333rem 0 0.2667rem;
  width: 1.1467rem;
  height: 1.1467rem;
}
body .footer a p {
  font-size: 0.5867rem;
  color: #666;
}
